A cart is moving horizontally along a straight line with a constant speed of 
. A
projectile is to be fired from the moving cart in such a way that it will return to the cart (at the same point on cart) after the cart has moved 80 m. At what velocity (relative to the cart) must be projectile be fired? (Take, 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The time taken by cart to cover 80 m
The projectile must be fired (relative to cart) vertically upwards.
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